<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .box {
      width: 100px;
      height: 60px;
      display: inline-block;
      line-height: 30px;
      background-color: yellow;
      position: relative;
      /* overflow: scroll; */
    }
  </style>
  <script>
    function test(e) {
      console.log(e);
    }
  </script>
</head>
<body>
  
  <div class="box" draggable="true" ondragstart="test(event)">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <!-- <div style="background-color: red; position: absolute; left: 200px; top: 100px;"> -->
    <div style="overflow: hidden;">
      4
    </div>
    <div>5</div>
  </div>
  <img style="display: inline-block; width: 300px;" src="http://oa.successhetai.com/static/img/background_oa.0feedb41.jpg" />
  zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>zzzz<br/>

</body>
</html>